Research roundup: 2,400-year-old clay puppets; this is your brain on Klingon

It's a regrettable reality that there is never time to cover all the interesting scientific stories we come across each month. In the past, we've featured year-end roundups of cool science stories we (almost) missed. This year, we're experimenting with a monthly collection of such stories. March's list includes fascinating papers on such topics as how the brain responds to speaking Klingon (or Dothraki, or Navi), the discovery of creepy preclassic Salvadoran puppets, the effectiveness of "dazzle camouflage," and how male blue-lined octopuses manage not to be cannibalized by their chosen mates. Wind Cave’s rocks fluoresce under black light Several fluorescence measurements of a zebra calcite in Wind Cave were taken using portable spectrometers. Credit: Joshua Sebree South Dakota's Wind Cave gets its name from the flow of air moving continually through its many passages and equalizing the atmospheric pressure between the air inside and outside—almost like the cave is "breathing." Its ... Read full article.